Bilstein B4 Front Left Strut for 2008-2013 BMW 128i and 135i

Front Left Strut Control for BMW 128i / 135i

Bilstein 22-152770 is a B4 OE Replacement front left strut for maintaining the original ride character. Match the exact applications and suspension notes below before ordering this individual damper.

Key Features

• Twintube construction for maintaining the original ride character.
• Black-painted body with stem upper mount and base cup lower mount.
• Application-specific damping for the listed vehicle configurations.
• 22-152770 is sold as one individual front left strut.

Fitment

The 128i application requires sport suspension. Review the separate 135i row and verify the factory configuration.

Use the verified application rows for 22-152770; a matching model name alone does not establish compatibility.

Specifications

What’s Included

• One Bilstein 22-152770 front left strut.
• Fixed spring seat as part of the strut.

A coil spring and complete assembled top-mount/spring unit are not supplied. A qualified installer must inspect the original mounting and protective components and replace worn service parts as required.

About Bilstein

Bilstein develops dampers for specific vehicles and suspension configurations. The B4 OE Replacement range focuses on maintaining the original ride character. This product carries the manufacturer’s limited lifetime warranty, subject to its terms.

Related Parts

• Bilstein B6 front left strut for BMW 128i An alternative performance damper range. Confirm exact fitment and intended spring configuration before choosing between B4 and B6.

FAQ

What is the 22-152770?

It is an individual Bilstein B4 OE Replacement front left strut for the exact vehicle and suspension applications listed above.

Is this a pair or a complete suspension kit?

No. The listing supplies one individual front left strut; other suspension parts are separate.

Which suspension configuration does it require?

The 128i application requires sport suspension. Review the separate 135i row and verify the factory configuration.

Is a new coil spring included?

No. Select or retain the correct spring for the verified vehicle and damper application.

Is a protective boot included?

No. The manufacturer lists no included boot; the installer must inspect the applicable original protective components.

What is the internal design?

Bilstein specifies a twintube design with application-specific damping.

Will it fit every trim of the vehicles in the title?

No. Match the exact year, model, submodel and suspension notes in the fitment table before ordering.

Who should install this part?

A qualified suspension specialist with the appropriate lifting and service tools should perform installation. Spring transfer requires suitable spring-compression equipment.

Installation Instructions

1. Verify the exact application and suspension restrictions, then review the official Bilstein installation instructions.
2. Have a qualified suspension specialist support the vehicle and remove the original front left strut using the vehicle service procedure.
3. Transfer only the correct serviceable spring and mounting components using suitable spring-compression equipment. Inspect mounts, bump stops and protective parts before assembly.
4. Tighten fasteners according to the vehicle and Bilstein service instructions, then check clearances, alignment where applicable and suspension operation.